I am completely against Mummy, because I really see no risk in it. It gets rid of the opponents ability, which can force switches (Conkeldurr, Scizor, etc) and thus an opportunity to set up. The only "risk" mummy induces is not getting the speed boost, but seeing as it WANTS to take physical hits with mummy, it should not want to lower its defense at all, even for speed. Given the right bulk, I would definitely choose Mummy over Weak Armor. I'm backing No Guard for previously said arguments which I will not elaborate on. Illusion is very iffy for me. It seems promising, but dealing with the risk seems like a LOT of work. I really cannot tell whether it would be more rewarding or risky You can only send in Illusion CAP4 on a few situations(so far), all of which require hazards off the field. 1) You lead with CAP4, bluffing a threat, but both CAP4 and Zoroark have a weakness to U-turn, and with the advent of Scarf Genesect who runs rampart in OU, who can probably determine whether or not a pokemon is running illusion using its download boost, CAP4 becomes vulnerable. Or it can fall to Fake-out, which completely ruins one's illusion. This is a situation in which you have to rely on the opposing lead being a stealth rocker or something, and thus, too much risk. 2) After one of your pokemon go down to a physical attacker, you'll be able to bring in CAP4 to do whatever it does. I'm assuming that CAP4 will have decent physical bulk(Meaning NOT base 60 defense) without weak armour hindering it, meaning that unlike zoroark, it can handle a few physical hits if the bluff fails. Its only going to be risky if the opponent has boosts up and cannot do anything to the threat that Illusion CAP4 is bluffing, at which point you might as well have brought in the actual threat to deal with the boosted poke. This is a situation where I feel Illusion does not warrant enough risk, bar the fact that you have already lost one pokemon. 3) Predict a non-attacking move or switch. The Illusion is ruined if CAP4 does not carry lum berry and the opponent decides to status CAP4. The Illusion will not help if the opponent subs up on the switch in, which allows a turn of dealing/taking damage to scout for illusion. However, as CAP4 will not have weak armour, it will manage this situation well even if the bluff is called if the opponent is not specially based. TO sum it up, Mummy is not risky, No Guard Blah blah the arguments were made, and Illusion is extremely situational imo and puts more risk on the opponent rather than the player.